How to handle diarrhea in two-month-old babies

Patient's question:

The baby is two months old. These past few days, he has been having diarrhea with beans and sticky strands, eating the whole day long.

Doctor's answer:

Percutaneous application therapy
Prescription: Wujiu (Evodia rutaecarpa) 80g, Cangzhu (Atractylodes macrocephala) 70g, Rougui (Cinnamon cortex) and Kufan (Ferric oxide) each 30g, Baijiapo (White pepper) 20g.
Usage: The herbs are ground into fine powder. Take 5–7g of the powder, mix with an appropriate amount of old vinegar to form a paste, and apply to the umbilical area. Secure with a damp plaster, changing once daily. A course of 5 applications is considered one treatment.
Effectiveness: For simple diarrhea, applying the medication for 1–2 courses results in an 98.8% effective rate.
2. Acupoint Pasting Therapy
Prescription: Cangzhu (Atractylodes macrocephala) and Wujiu (Evodia rutaecarpa) each 15g, Dingxiang (Syzygium aromaticum) 3g, Huajiao (Black pepper) 1g.
Usage: The herbs are ground into fine powder, mixed with an appropriate amount of sesame oil, and applied to the Shenque (CV8) acupoint. Secure with gauze, changing once daily.